Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 Leif Robertsen Kemira Oyj 1
1 Gaius Voltti Lm-Instruments Oy 1
1 Kari Lehtonen Tunturipyora Oy 1
1 Pertti J. Sippola Ispat Inland 1